Table 2. BP_ND for Each Brain Region Studied in the Control Task (SMCT) and Stress Task (MIST) for Each Group.

Regions	CHR				CHR-CU
	BPND SMCT	BPND MIST	% Change	Paired t-test (df=11)	BPND SMCT	BPND MIST	% Change	Paired t-test (df=11)
AST	2.45±0.6	2.28±0.5	6.97±8.7	t=2.39	2.36±0.4	2.52±0.4	−7.04±7.5	t=−3.66
				p=0.036				p=0.004
LST	2.79±0.7	2.55±0.5	7.20±13.8	t=2.08	2.89±0.4	3.17±0.5	−10.48±15.0	t=−2.33
				p=0.062				p=0.040
SMST	2.64±0.6	2.45±0.5	4.55±8.7	t=2.51	2.49±0.4	2.65±0.4	−7.00±7.8	t=−3.44
				p=0.029				p=0.006
Whole striatum	2.53±0.5	2.35±0.5	6.32±8.8	t=2.35	2.47±0.4	2.63±0.4	−7.35±7.6	t=−3.679
				p=0.039				p=0.004
GP	2.51±1.5	2.21±1.1	3.96±25.0	t=1.39	3.08±0.5	3.36±0.6	−9.91 ±12.3	t=−2.72
				p=0.192				p=0.020
Substantia nigra	1.55±0.8	1.24±0.6	16.91±36.5	t=1.94	1.51±0.4	1.71±0.4	−17.15±30.1	t=−1.64
				p=0.078				p=0.129

Abbreviations: AST, associative striatum; BP_ND, non-displaceable binding; CHR, clinical high; CHR-CU, cannabis-using CHR; GP, globus pallidus; MIST, Montreal Imaging Stress Task; SMCT, Sensorimotor Control Task.

BP_ND data is consistent with % change data.